diff --git a/legacy/README.md b/legacy/README.md
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-# Legacy Notes
-
-This is the original MicroPython version of Pi-PicoExpressionPedal2Midi, and only outputs to UART1 (no USB).
-Kept here for reference.
\ No newline at end of file
diff --git a/legacy/main.py b/legacy/main.py
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-################################################################################
-#
-# Pi-Pico-ExpressionPedal2Midi
-#
-# Connect an expression pedal to ADC0, and a midi out socket/cable to UART1.
-# Set desired midi channel, change control, and maximum and minimum values
-#
-# Upon run/power on, move expresson pedal from maximum to minimum to calibrate
-# your pedal. CC commands will immediately start sending once calibrated.
-#
-# Ashley Strahle
-# https://github.com/ashstrahle
-#
-################################################################################
-
-import sys
-from machine import ADC, Pin, UART
-import ustruct
-import time
-
-# Constants
-ControlChange = 0xb0
-
-# Midi settings
-midi_channel = 1 # Target midi channel to write to
-cc = 68 # Target Control Change number - this is for Behringer X32 Matrix 5
-cc_min = 20 # Minimum desired CC output
-cc_max = 97 # Maximum desired CC output (only want fader to go to unity gain - hence not 127)
-
-exp_pedal_calibration_percent = 80 # Required percentage of expression pedal movement for calibration 
-
-# Devices
-exp = machine.ADC(Pin(26)) # Expression pedal device on pin 31
-uart = machine.UART(1, 31250) # UART Midi device on pin 6
-led = machine.Pin(25, Pin.OUT) # Pico onboard led
-
-# Initialise variables
-# Set these to reverse thresholds to enable calibration
-exp_min = 65535 
-exp_max = 1
-
-exp_calibration_threshold = int(abs(exp_max - exp_min) * exp_pedal_calibration_percent/100)
-cc_ratio = 1/(cc_max - cc_min) # Calculate number of possible CC values
-
-# This function translates the expression pedal value to the equivalent CC value
-def translate(exp_val):
-  ret = int((((exp_val - exp_min) * (cc_max - cc_min)) / (exp_max - exp_min)) + cc_min)
-  if ret > 0:
-    return ret
-  else:
-    return 0
-
-exp_previous = exp.read_u16()
-while True:
-  exp_current = exp.read_u16()
-
-  # Only process if the change ratio is greater than the possible number of CC values
-  if abs(exp_current - exp_previous)/exp_max > cc_ratio: 
-    if exp_current > exp_max:
-      exp_max = exp_current
-    elif exp_current < exp_min:
-      exp_min = exp_current
-    exp_previous = exp_current
-
-    # Only send midi when calibration threshold has been reached
-    if exp_max - exp_min > exp_calibration_threshold: 
-      led.value(1) # Turn led on
-      cc_val = translate(exp_current)
-      uart.write(ustruct.pack("bbb", ControlChange + midi_channel - 1, cc, cc_val))
-      led.value(0) # Turn led off
-      print("Writing Midi Channel: {}, ControlChange: {}, Value {}. Exp Pedal: cur: {}, min: {}, max: {}".format(midi_channel, cc, cc_val, exp_current, exp_min, exp_max))